/Engine/Plugins/Enterprise/VariantManager/Source/VariantManager/Public/VariantManager.h
void DuplicateVariants ( const [TArray](API\Runtime\Core\Containers\TArray)< [UVariant](API\Plugins\VariantManagerContent\UVariant) * > & TheseVariants, [UVariantSet](API\Plugins\VariantManagerContent\UVariantSet) * ToThisVariantSet, int32 InsertionIndex )